/*
 * Copyright 2007-2008 Brian Cavalier
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.bc.iterate.examples;

import static org.bc.iterate.Iterate.*;

import java.io.FileInputStream;
import java.io.InputStream;
import java.util.regex.MatchResult;

public class ScanExample
{
    public static void main(String[] args)
    {
        if (args.length == 0) {
            System.err.println("Usage: ScanExample pattern [file]");
            System.exit(1);
        }

        System.out.println("Args: " + join(args, ", "));

        try {
            InputStream in = (args.length < 2) ? System.in : new FileInputStream(args[1]);

            for (MatchResult r : scan(in, args[0])) {
                println(matches(r), ",");
            }
        }
        catch (Exception e) {
            System.err.println(e);
        }
    }
}